DE3475298D1 - Process for the preparation of monomethyl-substituted methylene compounds - Google Patents

Process for the preparation of monomethyl-substituted methylene compounds

Info

Publication number
DE3475298D1
DE3475298D1 DE8484108046T DE3475298T DE3475298D1 DE 3475298 D1 DE3475298 D1 DE 3475298D1 DE 8484108046 T DE8484108046 T DE 8484108046T DE 3475298 T DE3475298 T DE 3475298T DE 3475298 D1 DE3475298 D1 DE 3475298D1
Authority
DE
Germany
Prior art keywords
monomethyl
preparation
substituted methylene
methylene compounds
compounds
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8484108046T
Other languages
German (de)
Inventor
Heinz Ulrich Dr Blank
Erich Dr Wolters
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Priority to DE8484108046T priority Critical patent/DE3475298D1/en
Application granted granted Critical
Publication of DE3475298D1 publication Critical patent/DE3475298D1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/30—Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
    • C07C45/75—Reactions with formaldehyde
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/04—Saturated compounds containing keto groups bound to acyclic carbon atoms
    • C07C49/12—Ketones containing more than one keto group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/04—Saturated compounds containing keto groups bound to acyclic carbon atoms
    • C07C49/175—Saturated compounds containing keto groups bound to acyclic carbon atoms containing ether groups, groups, groups, or groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE8484108046T 1983-07-23 1984-07-10 Process for the preparation of monomethyl-substituted methylene compounds Expired DE3475298D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8484108046T DE3475298D1 (en) 1983-07-23 1984-07-10 Process for the preparation of monomethyl-substituted methylene compounds

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833326635 DE3326635A1 (en) 1983-07-23 1983-07-23 METHOD FOR PRODUCING MONOMETHYL-SUBSTITUTED METHYLENE COMPOUNDS
DE8484108046T DE3475298D1 (en) 1983-07-23 1984-07-10 Process for the preparation of monomethyl-substituted methylene compounds

Publications (1)

Publication Number Publication Date
DE3475298D1 true DE3475298D1 (en) 1988-12-29

Family

ID=6204771

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19833326635 Withdrawn DE3326635A1 (en) 1983-07-23 1983-07-23 METHOD FOR PRODUCING MONOMETHYL-SUBSTITUTED METHYLENE COMPOUNDS
DE8484108046T Expired DE3475298D1 (en) 1983-07-23 1984-07-10 Process for the preparation of monomethyl-substituted methylene compounds

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19833326635 Withdrawn DE3326635A1 (en) 1983-07-23 1983-07-23 METHOD FOR PRODUCING MONOMETHYL-SUBSTITUTED METHYLENE COMPOUNDS

Country Status (4)

Country Link
US (1) US4567004A (en)
EP (1) EP0132688B1 (en)
JP (1) JPS6042337A (en)
DE (2) DE3326635A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8500107D0 (en) * 1985-01-03 1985-02-13 Bp Chem Int Ltd Catalytic reaction
DE3643456A1 (en) * 1986-12-19 1988-06-23 Bayer Ag CYAN TRICHLOR PYRIDO PYRIMIDINE
US5844165A (en) * 1987-03-26 1998-12-01 Thiokol Corporation Energetic nitro malonate polyester binders
GB8718619D0 (en) * 1987-08-06 1987-09-09 Ici Plc Pharmaceutical compositions
US5169979A (en) * 1987-10-01 1992-12-08 Hoechst Ag Curing component, and the use thereof
IL93178A0 (en) * 1989-02-03 1990-11-05 Ici Plc Benzheterocyclyl sulphones
US5250570A (en) * 1990-08-02 1993-10-05 Imperial Chemical Industries Plc Amidobenzene derivatives, compositions and use
GB9016978D0 (en) * 1990-08-02 1990-09-19 Ici Plc Acetamide derivatives
US5510379A (en) * 1994-12-19 1996-04-23 Warner-Lambert Company Sulfonate ACAT inhibitors
DE19846903A1 (en) * 1998-10-12 2000-04-13 Degussa Process for the preparation of 2-methyl-1,3-dicarboxylic acid esters
TW200403221A (en) * 2002-07-11 2004-03-01 Meiji Seika Kaisha Process for producing α-methyl-β-keto ester
CN116768795A (en) * 2023-08-16 2023-09-19 湖南速博生物技术有限公司 Synthesis method of cyenopyrafen intermediate

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE760034A (en) * 1969-12-08 1971-06-08 Ici Ltd PRODUCTION OF ESTERS
GB1443125A (en) * 1974-04-26 1976-07-21 Ici Ltd Manufacture of 2 cyano propionate esters
DE2941386A1 (en) * 1979-10-12 1981-05-21 Basf Ag, 6700 Ludwigshafen METHOD FOR PRODUCING A-METHYL-SUBSTITUTED CARBONYL COMPOUNDS
DE3227388A1 (en) * 1982-07-22 1984-01-26 Basf Ag, 6700 Ludwigshafen METHOD FOR PRODUCING (ALPHA) SUBSTITUTED SS-DICARBONYL, SS-CYANCARBONYL AND SS-DICYAN COMPOUNDS

Also Published As

Publication number Publication date
DE3326635A1 (en) 1985-01-31
EP0132688A3 (en) 1986-10-01
EP0132688B1 (en) 1988-11-23
EP0132688A2 (en) 1985-02-13
JPS6042337A (en) 1985-03-06
JPH0127047B2 (en) 1989-05-26
US4567004A (en) 1986-01-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee